Download Asterisk 1.4.21.1

Asterisk is a comprehensive pbx for the Bsd, Linux and Mac OS X platform. The program offers all the functions you can expect from a telephone exchange. It includes options for voicemail, conferencing and call queuing. In addition, support for caller ID services, adsi, sip and h.323 is present. For a complete overview of all possibilities, we refer you to this page. The developers released version 1.4.21.1 of Asterisk a few days ago with the following announcement:

Asterisk 1.4.21.1 Released

The Asterisk.org development team has released Asterisk version 1.4.21.1. This release includes a critical bug fix for 1.4.21. All users that experienced lockups when upgrading to 1.4.21 should have their issues resolved with this update.

Asterisk 1.4.21 Released

The Asterisk.org development team has released Asterisk version 1.4.21. This release is a regular bug fix release for the 1.4 series of Asterisk. For a full list of changes, see the ChangeLog included in the release. Thank you for your continued support of Asterisk!